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A116070
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The digits of pi(n)=A000720(n) are obtained by adding pairs of adjacent digits of n.
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2
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15, 27, 226, 227, 334, 441, 2107, 3132, 5172, 10231, 40203, 50136
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..12.
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EXAMPLE
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50136 belongs, since pi(50136)=5149 and (5+0)=5, (0+1)=1, (1+3)=4 and
(3+6)=9.
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CROSSREFS
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Cf. A000720, A115999.
Sequence in context: A087719 A174216 A249874 * A186074 A230649 A229195
Adjacent sequences: A116067 A116068 A116069 * A116071 A116072 A116073
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KEYWORD
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nonn,base,fini,more
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AUTHOR
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Giovanni Resta, Feb 13 2006
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STATUS
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approved
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